Military Time Converter
Enter any hour in 24-hour military time format (0-23) to instantly find the equivalent 12-hour civilian time and whether it is AM or PM. Great for reading schedules, travel itineraries, and international communications.
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Formula
Civilian Hour = military_hours − 12 (if > 12), 12 (if 0), else military_hours
Hours 1-11 are identical in both systems (AM). Hour 0 in military time is 12 midnight (12 AM) in civilian time. Hour 12 stays as noon (12 PM). Hours 13-23 subtract 12 to get the civilian hour (PM). The PM indicator is 1 for hours 12 through 23, and 0 for hours 0 through 11.
How to use the Military Time Converter
- 1
Enter your military time (hours, 0-23)
- 2
Read your results instantly
Results update in real time as you type.
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Military Time Quick Reference
The 24-hour clock eliminates AM/PM ambiguity. Midnight is 0000, noon is 1200, and the day ends at 2359. To convert any hour above 12 to civilian time, subtract 12: 1300 = 1 PM, 1800 = 6 PM, 2100 = 9 PM. Hours 0000-1159 are AM; 1200-2359 are PM. This system is standard in the military, aviation, medicine, and most countries outside North America.
Where Military Time Is Used
Beyond the armed forces, 24-hour time appears on train and bus schedules in Europe, Asia, and South America; on airline departure boards worldwide; in hospital medication logs; and in computing timestamps (ISO 8601 format). If you travel internationally or work in healthcare, aviation, or logistics, reading military time fluently is a useful skill. This calculator handles any hour in either direction.
Tips & Insights
Quick Mental Conversion
For any hour above 12, subtract 2 from the tens digit and add 2 to the ones digit — or simply subtract 12. 1700: 17 − 12 = 5 PM. 2245: 22 − 12 = 10, so 10:45 PM.
Minutes Stay the Same
Only the hours change in military-to-civilian conversion. Minutes are identical: 1430 = 2:30 PM, 0915 = 9:15 AM.
Midnight Is 0000, Not 2400
The day starts at 0000 (midnight) and ends at 2359 (one minute before midnight). 2400 is technically not used in standard military notation.
Worked Examples
1400 Hours (2 PM)
Civilian hour: 2, PM (is_pm = 1).
0800 Hours (8 AM)
Civilian hour: 8, AM (is_pm = 0).
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Frequently Asked Questions
What is 0000 in civilian time?
0000 (midnight) = 12:00 AM. It marks the start of a new day.
What is 1200 in civilian time?
1200 = 12:00 PM (noon). Hours at and above 1200 through 2359 are PM.
How do I convert 2300 to AM/PM?
2300 − 12 = 11 PM. So 2300 = 11:00 PM.
Do minutes convert differently?
No. Minutes are identical in both systems. 1545 = 3:45 PM (15 − 12 = 3, minutes stay as 45).
Why is military time used in medicine?
Eliminating AM/PM removes the risk of dosing errors from misread times. A 6:00 medication could be missed for 12 hours if AM/PM is ambiguous; 0600 and 1800 are unambiguous.
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